Question 1

What is the best WordPress CO2 plugin?

Accepted Answer

The most widely used co2 plugins are ranked by active installations on PluginSift. You can sort by popularity, rating, or recent updates to find the best option for your needs. As of April 2026, there are 4 co2 plugins available.

Question 2

How many WordPress CO2 plugins are there?

Accepted Answer

As of April 2026, there are 4 WordPress co2 plugins listed on PluginSift. This includes free, freemium, and premium options from various developers.

Question 3

Are there free CO2 plugins for WordPress?

Accepted Answer

Yes, the majority of WordPress co2 plugins offer a free version. Many also have premium tiers with advanced features. You can use the filter options above to browse only free plugins.

Question 4

How do I compare CO2 plugins?

Accepted Answer

PluginSift lets you compare any two plugins side by side. Visit a plugin page and click "Compare", or use the Compare tool in the navigation. Comparison pages show ratings, active installations, support quality, update frequency, and more.

WordPress CO2 Plugins

Sweet Energy Efficiency

Online Leaf

FFC Football CO2 Calculator Plugin

CO2Track

Frequently Asked Questions